Reversi / Othello
Flip your opponent’s discs to own the board. Pass-and-play or a positional AI across four difficulty levels, with legal-move hints.
Reversi · Othello
Out-flank to flip. Hold the corners. End with the most discs.
Black always makes the first move. Pick White to let the computer open.
A move is legal only if it sandwiches at least one straight line of opponent discs between the disc you place and another of your own — every flanked disc flips to your colour. No legal move? You pass. When neither side can move the game ends and the majority wins.
Why you’ll love Reversi / Othello
Instant & free
No signup, no paywall, no limits — Reversi / Othello works the moment the page loads.
Completely private
Everything runs in your browser. Nothing you enter is ever uploaded or stored on a server.
Works on any device
Fully responsive and touch-friendly — use it on your phone, tablet or desktop.
Beat your best
High scores and streaks save on your device — and results are shareable.
How to use it
Open it
No download and no login — the tool is ready right at the top of this page.
Use it
Enter your details or start interacting. Everything updates live as you go.
Get your result
Copy, download or share your result in a single tap. That’s it.
Frequently asked questions
Reversi / Othello is 100% free — no signup, no watermarks and no usage limits. It’s one of 200+ free tools we build and give away.
Yes — best scores save in your browser and most games give you a shareable result to challenge friends.
Completely. Reversi / Othello runs entirely in your browser (client-side). Nothing you type, upload or generate is sent to our servers, so your data never leaves your device.
No. It works instantly in any modern web browser — Chrome, Safari, Edge or Firefox — on desktop and mobile. You can even install this site as an app.
Yes. The tool is fully responsive and touch-friendly, so it works great on phones and tablets as well as computers.
Workaholic Developers — a software & AI studio. We built Reversi / Othello (and 200+ other free tools) to show what we can do. Need something custom built? We’d love to help.
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